Combination separator and stray-yarn severer for spinning and twisting machines.



G. E. COLLINS. COMBINATION SEPARATOR AND STRAY YARN SEVERER FOR SPINNINGYAND TWISTING'MAGHINES.

. v APPLIOAQION IILED FEB. 1, 1912. v 1,062,272. Patented May 20,1913.

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tlNfT SATEd FATE CHARLES E. COLLINS, OF PAWTUCKET, RHODE ISLAND, ASSIGNOR TO COLLINS BROTHERS MACHINE 00., INC.-, 0F PROVIDENCE, RHODE ISLAND, A OORPO- RATION OF RI-IODE ISLAND.

COMBINATION SEPARATOR AND STRAY-YARN SEVERER FOR SPINNING AND TWISTING- MACHINES.

Specification of Letters Patent.

Patented May 20, 1913.

Application filed February 1, 1912. Serial N 0. 674,726.

To all whom it may concern:

Be it known that I, CHARLES E. COLLINS, a citizen of the United States, residing at the city of Pawtucket, .in the county of Providence and State of Rhode Island, have invented certain new and useful Improvements in Combination Separators and Stray- Yarn Severers for Spinning and Twisting Machines, of which the following is a specification, reference being had therein to the accompanying drawing.

This invention relates to a combination separator and stray yarn severer for spin ning and twisting machines, and has for its object to provide a separator of the class described that may be attached in any desired position between the bobbins on a spinning or twisting machine, and in addition to performing the usual functions of the ordinary separator I have provided means on the outer edge of this separator that will cause the same to engage and sever any yarn that may have gone astray and been whipped over onto the neXt adjacent yarn and drawn across said edge.

It is found in the practical operation of the usual worsted spinning and twisting machine that when the yarn breaks, the trap,

I which is provided for that purpose, Wlll automatically grip and stop the feed, but when this yarn breaks near the bottom of the bobbin the end being longer is often whipped or blown over into the path of the next adjacent yarn around which it immediately twists and is again fed forward by the feed of this second yarn before the trap has time to work. As the yarns are run two ply or more it will be seen that the doubling of the size of this severed yarn materially thickens the same and when such yarn is wound upon the bobbin if it escapesthedetection of the inspectors, which it is liable to do especially when fine yarn is used, and is woven into the cloth, as is often the case, the goods are rendered imperfect and considerable damage may result.

By the use of my improved device, the moment the yarn end is whipped across the edge of the separator and commenced to be carried forward by the adjacent yarn, it is ered, the trap then operates and the broken ends detected and pieced by the operator.

With these and other objects in view, the invention consists of certain novel features of construction, as will be more fully described and particularly pointed out in the appended claims.

Of the accompanying drawings: Figure 1 is a detail perspective view of my improved combined separator and stray thread severer. Fig. 2 is an enlarged section on line 22 of Fig. 4 showing the sharpened or roughened edges of the recessed portion. Fig. 3 is an enlarged section on line 3-3 of Fig. 4 showing a rounded unabrasive eX- posed edge of the separator. Fig. 4:- is a side elevation showing my improved separator as applied to a spinning frame, enough of the parts of said frame being shown to illustrate the operation. Fig. 5

is a front elevation illustrating a portion of a spinning frame and two bobbins with my improved separator between them, also showing a broken yarn as having been whipped over and wound around the next adjacent yarn in the act of being drawn across the edge of the severing separator.

Referring to the drawing, 1 is the usual thread board of a spinning machine, 2 the guide block and 3 the guide eye thereof down through which is fed the yarn 4c in the desired number of plies to be twisted in the usual way and wound upon the bob bin 5. My improved separator 6 may be of any suitable or desired shape and attached to any desired part of a spinning or twisting machine to receive a traverse motion in any of the various ways, but I have shown the separator in Fig. 4 as being attached in a stationary position to the thread board 2. My improved separator is preferably constructed of sheet metal cut out or recessed on its rear edge 9 to be fitted over the edge of the thread board, a portion of the cut away stock being bent in opposite directions at right angles to the plane of the main plate, forming ears 7 and 8 through which screws are passed to secure the separator in position thereon.

The essential feature of my improved separator is that the outer edge 10 of the same is scalloped or notched at close intervals and that the stock forming the edges of the recessed portion or notches are preferablysharpened or roughened as at 11, see Fig. 2, whereby when the yarn is broken from the bobbin and whipped over and engaged by the next adjacent yarn, it is drawn by the forward feeding of the latter across the edge of said separator into one of said notches or recesses and upon being carried forward over these Sharp or roughened edges it is immediately severed.

Another feature of my improved construction is that the outer edge of the separator between the notches is made rounding and smooth, as at 12 see Fig. 8, so as not to cut abraid or otherwise injure the hands of the operator as they are passed quickly therebetween in piecing and dofling, the sharp edged portions being confined entirely to the I do not wish to be restricted to the forming of these notches in the edge of the separator itself, as any suit-able strip or member may be formed independently and provided with notches or a plurality of cutting surfaces and subsequently attached to the outer 35 edge of a separator of ordinary construction .to perform substantially the same function.

I claim: 1. In spinning and twisting machines,

a separating plate having a plurality of 40 notches formed in its edge, the edges of said notches being sharpened or roughened and adapted to engage and sever a stray yarn that may be drawn therein.

2. In spinning and twisting machines a sheet metal separator having a plurality of notches on its edge, the edges of said notches being sharpened or roughened and adapted to engage and sever a stray yarn that may be drawn therein, and the stock between the 0 notches being smooth and unabrasive.

In testlmony whereof I afiix my signature in presence of two witnesses.

CHARLES E. COLLINS.

Witnesses: 4

HOWARD E. BARLow, E. I. OGDEN.

Copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patents Washington, D. G. 

